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Finding the Fourth Proportional to 441,644.80, 662,661.60 and 204,865.60

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Solution

The fourth proportional to 441,644.80, 662,661.60 and 204,865.60 is: 307,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,644.80 : 662,661.60 = 204,865.60 : x
  2. Step 2: Convert to fraction form
    441,644.80/662,661.60 = 204,865.60/x
  3. Step 3: Cross multiply
    441,644.80x = 662,661.60 × 204,865.60
  4. Step 4: Simplify right side
    441,644.80x = 135,756,566,280.96
  5. Step 5: Solve for x
    x = 135,756,566,280.96/441,644.80
  6. Step 6: Final answer
    x = 307,388.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.